请输入您要查询的字词:
单词
Sm-Nd dating
释义
Sm-Nd dating
Encyclopedia
理学
钐-钕定年
释
Sm-Nd dating
钐-钕定年
在Sm-Nd同位素封闭系统中,利用147Sm放出一个α粒子与能量衰变成143Nd,由衰变定律根据母体147Sm的减少量、放射成因143Nd*增加的量计算系统Sm-Nd年龄的方法。
随便看
Liaoning Academy of Art
Liaoning Art Museum(Liaoning Painting Academy)
Liaoning Baishilizi Guojiaji Ziran Baohuqu
Liaoning Ballet of China
Liaoning Beipiaoniao Huashi Guojiaji Ziran Baohuqu
liaoning canvassing and bribery cases
Liaoning cashmere goat
Liaoning Chaoyang Gushengwu Huashi Bowuguan
Liaoning Dalian Haibao Qixidi Shidi
Liaoning Dandong Yalujiangkou Shidi Guojiaji Ziran Baohuqu
Liaoning Grand Theatre
Liaoning Gushengwu Bowuguan
Liaoning Haitangshan Guojiaji Ziran Baohuqu
Liaoning Institute of Sand Fixation and Forestation
Liaoning Laotudingzi Guojiaji Ziran Baohuqu
Liaoning Liaohekou National Nature Reserve
Liaoning Media and Press Group
Liaoning Northern Publication Distribution Co., Ltd
Liaoning Opera Play Series
Liaoning People’s Art Theatre
Liaoning Provincial Archives
Liao Ning Provincial Library
Liaoning Provincial Museum
Liaoning Publishing Group Co.,Ltd.
Liaoning Science and Technology Museum
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/6/19 21:25:31